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Finding the Fourth Proportional to 180.48, 250.32 and 173.28

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Solution

The fourth proportional to 180.48, 250.32 and 173.28 is: 240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.48 : 250.32 = 173.28 : x
  2. Step 2: Convert to fraction form
    180.48/250.32 = 173.28/x
  3. Step 3: Cross multiply
    180.48x = 250.32 × 173.28
  4. Step 4: Simplify right side
    180.48x = 43,375.45
  5. Step 5: Solve for x
    x = 43,375.45/180.48
  6. Step 6: Final answer
    x = 240.33

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.